4 Series 30A 18650 Lithium Battery Protection Board 14.8V 16V with Cable
- For the successful start of the drill, it requires three 15C-20C power battery, or six 10C-15C power batteries (ordinary 18650 cannot start the drill!!)
- Strictly according to map wiring 0V, 4.2V, 8.4V, 12.6V, 16.8V, do not deliberately short circuit.
- Overcharge protection,
- Over-discharge protection function, short circuit protection function,
- Overcurrent protection function, band balance.
CJMCU-34725 TCS34725 Color Sensor RGB Module
- Operating Voltage: 3.3V
- Supply Voltage: 3.3V-5V
- Color management is more accurate
- High sensitivity
- Wide dynamic range
- IR shading filters make the TCS34725 ideal
- Integrated IR blocking filter
- 8M:1 dynamic range
- Four independent analogue-to-digital converters
- A reference channel for colour analysis (clear channel photodiode)
- Length: 20mm
- Width: 20mm
- Weight: 10 g
Single Phase Voltage Mutual Inductor AC Active Output Module ZMPT101B 2mA
- Supply voltage: 5-30v
- Product model: ZMPT101B
- Rated input current: 2mA
- Rated output current: 2mA
- Change ratio: 1000:1000
- Phase difference: ≤20′
- Linear range: 0~1000V 0~10mA
- Linearity: ≤0.2%
- Allowable error: -0.3≤f≤0.2%
- Isolation withstand voltage: 4000V
- Uses: accurate measurement of voltage and power
- Sealing material: epoxy resin
- Installation method: printed board installation
- Working temperature: -40 to +60 degrees
- Shell material: ABS
- Voltage up to 250 volts can be measured
- Lightweight with on-board micro-precision voltage transformer
- High precision on-board op-amp circuit
- Good consistency, for voltage and power measurement
- Very efficient and accuracy
JQ6500 Voice Sound Module 16Mbit Music MP3 Play MCU Serial Control Module UART SPI Flash
- Input voltage: Power supply is at 3.2V-5V, 4.2V Power supply is the best
- Rated current: 20ma
- Standard DIP16 package.
- 30 level adjustable volume, 10 adjustable EQ
- Working temperature: -40~70°C
- Humidity: 5%~95%
- Support sampling rate (KHz): 8 / 11.025 / 12/16 / 22.05 / 24/32 / 44.1 / 48
- 24-bit DAC output,
- dynamic range support 90dB, SNR support 85dB
- Full support FAT16, FAT32 file system, the largest support 32G TF card, support 32G U disk, 64M bytes NOR FLASH
- A variety of control mode, parallel port control mode, serial port mode, AD button control mode
- The audio data sorted by folder, up to 100 folders, every folder can be assigned 1000 songs
- You can plug in SPI flash, connect the computer can display spi flash letter to update the content;
- Controlled through the microcontroller serial port to play the specified music;
- Can be interrupted: that is, in the process of playing, press the button will interrupt the current state to perform the new;
- MP3 file format: supports all bit rates 11172-3 and ISO13813-3 layer3 audio decoding
16-Channel 12-bit PWM/Servo Driver I2C interface PCA9685 for Arduino Raspberry Pi
- Adjustable frequency PWM up to about 1.6 kHz
- 12-bit resolution for each output – for servos, that means about 4us resolution at a 60Hz update rate
- Configurable push-pull or an open-drain output
- The output enable pin to quickly disable all the outputs
- Terminal block for power input
- Reverse polarity protection on the terminal block input
- Green power-good LED
- 3 pin connectors in groups of 4 so you can plug in 16 servos at once
- Chainable design
- A spot to place a big capacitor on the V+ line
- 220-ohm series resistors on all the output lines to protect them, and to make driving LEDs trivial.
- This board/chip uses an I2C 7-bit address between 0x60-0x80, selectable with jumpers.
Black 2M Usb 6 Led Waterproof Borescope Endoscope Inspection Tube Camera
Super Mini Elm327 V2.1 Bluetooth Obd2 OBD-Ii Car Auto Diagnostic Scanner Android
- Model Name: ELM327 OBD2 Bluetooth
- Type: code readers & scan tools
- Output protocol: Bluetooth
- Material: plastic
- Voltage: 12V
- Current: 45mA
- Wave frequency: 38400Hz
- Applicable scope: 5-10m / 16.4-32.8ft
- Item size: 49*26*30mm
- Support OBDII Protocols: SAE J1850 PWM (41.6 kbaud), SAE J1850 VPW (10.4 kbaud), SAE J1939, J1979
GY-906 MLX90614ESF Contactless Temperature Sensor Module
- Small size, low cost
- Mounted on a breakout board with two types of pins
- 10k Pull up resistors for the I2C interface with optional solder jumpers
- Easy to integrate
- Factory calibrated in wide temperature range:
- Sensor temperature: -40...+125°C
- Object temperature: -70...+380°C
- High accuracy of 0.5°C over the wide temperature range
- (0...+50°C for both Ta and To) High (medical) accuracy calibration
- The measurement resolution of 0.02°C
- Single and dual-zone versions
- SMBus compatible digital interface
- Customizable PWM output for continuousreading
- Simple adaptation for 8...16V applications
- Sleep mode for reduced power consumption
Nano V3 Ethernet Shield
BeagleBone Rev C with 4GB Flash Memory
- Beaglebone black is a development kit based on an AM3359 processor which integrates an ARM Cortex A8 core and has abundant peripheral devices.
- The beagle bone rev is designed to satisfy the different requirements of various fields including game devices, home, industrial automation, and consumer medical devices.
- It comes with a 4GB flash memory and is preloaded with Debian Linux.
- Beaglebone black provides lots of expansion interfaces such as Ethernet, USB Host, OTG, TF card, serial, HDMI D type, I2C, SPI, PWM, and LCD.
Adapter Breakout PCB for ESP 32F ESP32 ESP-WROOM-32 Wireless Bluetooth Module
ESP32MOD ESP-WROOM-32 Universal Wi-Fi-BT-BLE MCU Module
- Wi-Fi Protocols: 802.11 b/g/n
- Wi-Fi+BT+BLE MCU Module
- Bluetooth v4.2 BR/EDR and BLE specification
- Wi-Fi mode Station/softAP/SoftAP+station/P2P
- Security WPA/WPA2/WPA2-Enterprise/WPS
- Encryption AES/RSA/ECC/SHA
- Operating voltage: 2.2-3.6V
- Consumption: 80 mA Typ
- On-Chip Hall Sensor
- Integrated Crystal of 40 MHz
- Integrated SPI Flash of 4 MB
- Recommended Voltage: 3.3V
- Operating Current: Average 80 mA
- ESP32-WROOM-32 contains two low-power Xtensa 32-bit LX6 microprocessors
- 448 KBytes ROM for booting and core functions
- 520 KBytes on-chip SRAM
- 8 KBytes SRAM in RTC SLOW
- 8 KBytes SRAM in RTC FAST
- Dimensions: 18 mm* 25.5 * 2.8 mm